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Multi-tenancy is a fundamental architectural pattern for SaaS applications, allowing multiple customers (tenants) to share the same application infrastructure while maintaining data isolation. Choosing the right database pattern is crucial for scalability, security, and operational efficiency. When
When you call an external API, things go fine until they don't. A network blip, a server restart, a rate limit. So you add a retry, and most of the time it helps. The problem is that the obvious retry, the one we all write first, can quietly make things worse: it can resend a payment twice, or keep
Quand on apprend à construire des backends, on a souvent le même réflexe : ajouter des couches. Frameworks, abstractions, middlewares, services… Et petit à petit, on finit parfois par perdre de vue quelque chose de très simple : ce que fait réellement une API. Go m’a forcé à revenir à cette base. Pa